Title :
Error-rate degradation due to fiber four-wave mixing in four-channel FSK direct-detection transmission
Author :
Inoue, K. ; Toba, H.
Author_Institution :
NTT Lab., Kanagawa, Japan
Abstract :
Error-rate degradation in a four-channel frequency-shift keying (FSK) direct-detection scheme with equal input power per channel into a dispersion-shifted fiber is discussed. Error-rate performance with and without all other channels modulated was measured. The results show that the error rate is more degraded when the other channels are modulated than when they are unmodulated. This feature is different from that in FSK-alternate-mark-inversion heterodyne detection, indicating that the influence of four-wave mixing (FWM) on error-rate performance is dependent on the detection scheme. Based on the experimental results, error-rate performance in a 100-channel system is also estimated.<>
Keywords :
frequency shift keying; multiwave mixing; optical dispersion; optical fibres; 100-channel system; dispersion-shifted fiber; error rate degradation; error-rate performance; fiber four-wave mixing; four-channel FSK direct-detection transmission; frequency-shift keying; Degradation; Error analysis; Four-wave mixing; Frequency shift keying; Optical attenuators; Optical fiber dispersion; Optical fiber polarization; Optical interferometry; Optical mixing; Optical receivers;
Journal_Title :
Photonics Technology Letters, IEEE
